IPBC

IODOPROPYNYL BUTYLCARBAMATE

Data confidence:High

Function

Preservative, Antimicrobial

EWG Safety Score

6/10Moderate concern

About this ingredient

Iodopropynyl butylcarbamate is a broad-spectrum antimicrobial preservative used in cosmetics and personal care products to prevent bacterial, fungal, and yeast growth, thereby extending product shelf life and maintaining formulation integrity. It provides no direct skin conditioning benefits but serves a critical protective function against microbial contamination.

Found in 1+ sunscreens